Color

#052a6b

#052a6b
hex#052a6b
rgbrgb(5, 42, 107)
hslhsl(218, 91%, 22%)
oklchoklch(0.307 0.121 260.9)
Closest name: Black Sea Night (#052462)Relative luminance 0.0275

Colors that go with #052a6b

Charcoal, Crimson and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6b4605

#055e6b · #13056b

#6b052a · #2a6b05

Split-complementary

Open in tool →

#6b1305 · #5e6b05

#6b055e · #6b4605 · #056b13

Contrast

#052a6b as textRatioAAAA largeAAAFix
Aaon white
13.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #1f6df4 as the text (4.55:1)
  • AAA: use #5e96f7 as the text (7.18:1)
  • AA: or shift the background to #969696 (4.58:1)
  • AAA: or shift the background to #bdbdbd (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #052a6b as the background.

Brands using this color

Fonts for this mood

#052a6b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #052a6b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #052a6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/052a6b-9ca6c4-df644e-201f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md